title: Bismuth-catalyzed intramolecular carbo-oxycarbonylation of 3-alkynyl esters.
abstract: Borderline metal complexes, especially Bi(OTf)3, efficiently catalyze the carbo-oxycarbonylation of alkynyl esters to form multisubstituted lactones in moderate to high yields.
authors.affiliation: Department of Chemistry and Chemical Engineering, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima, Japan. kkome@hiroshima-u.ac.jp
authors.forename: Kimihiro
authors.initials: K
authors.lastname: Komeyama
authors.forename: Keita
authors.initials: K
authors.lastname: Takahashi
authors.forename: Ken
authors.initials: K
authors.lastname: Takaki
mesh_terms: D000447:Aldehydes / Q000737:chemistry*; D000480:Alkynes / Q000737:chemistry*; D001729:Bismuth / Q000737:chemistry*; D002384:Catalysis; D004952:Esters / Q000737:chemistry*; D007659:Ketones / Q000737:chemistry*
chemical_list: D000447:Aldehydes; D000480:Alkynes; D004952:Esters; D007659:Ketones; D001729:Bismuth